<template>
  <div class="icons">
    <swiper :options="swiperOption">
      <swiper-slide v-for="(page,index) of pages" :key="index">
        <div class="icon"
             v-for="item of page"
             :key="item.id">
          <div class="icon-img">
            <img class="icon-img-content"  :src="item.imgUrl">
          </div>
          <p class="icon-desc">{{item.desc}}</p>
        </div>
      </swiper-slide>
    </swiper>
  </div>
</template>
<script>
  export default {
    name: 'HomeIcons',
    props: {
      list: Array
    },
    data () {
      return {
        swiperOption: {
          autoplay:false
        }
      }
    },
    computed: {
      pages () {
        //图标分页逻辑
        const pages = []
        this.list.forEach((item,index) => {
          const page = Math.floor(index / 8)
          if(!pages[page]){
            pages[page] = []
          }
          pages[page].push(item)
        })
        return pages
      }
    }
  }
</script>
<style lang="stylus" scoped>
  @import '~styles/varibles.styl';
  @import '~styles/mixins.styl';
  .icons,.swiper-slide{
    height: 0;
    padding-bottom: 50%;
  }
  .icons{
    margin-top: .1rem;
  }
  .icons .icon{
    height: 0;
    position: relative;
    overflow: hidden;
    width: 25%;
    float: left;
    padding-bottom:25%;
  }
  .icons .icon .icon-img{
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: .44rem;
    box-sizing: border-box;
    padding: .1rem;
  }
  .icons .icon .icon-desc{
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    line-height: .44rem;
    height: .44rem;
    text-align: center;
    color: $darkTextColor;
    ellipsis();
  }
  .icons .icon .icon-img .icon-img-content{
    display: block;
    margin: 0 auto;
    height: 100%;
  }
</style>
